Answers

Subtract 27/60 from 25/21

1^st number: 1 4/21, 2^nd number: 27/60

25/21 - 27/60 is 311/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   25/21 = 25 × 20/21 × 20 = 500/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   27/60 = 27 × 7/60 × 7 = 189/420
4. Subtract the two like fractions:
   500/420 - 189/420 = 500 - 189/420 = 311/420

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